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Physics Mcqs

Thermocouples convert___________________?

  • (A)  heat energy into electrical energy
  • (B)  heat energy into light energy
  • (C)  heat energy into mechanical energy
  • (D)  mechanical energy into heat energy
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Production of heat due to an electric current flowing through a conductor is given by _________________?

  • (A)  Joule effect
  • (B)  Joule Thomsons effect
  • (C)  Comptons effect
  • (D)  Feed back effect
Submitted By :Ali Uppal


A wire having very high value of conductance is said to be____________________?

  • (A)  very good conductor
  • (B)  moderately good conductor
  • (C)  an insulator
  • (D)  no specific criterion available
Submitted By :Ali Uppal


The current through a metallic conductor is due to the motion of _________________?

  • (A)  free electrons
  • (B)  protons
  • (C)  neutrons
  • (D)  still under controversy
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Submitted By :Ali Uppal


Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?

  • (A)  isothermal law
  • (B)  adiabatic law
  • (C)  isochoric law
  • (D)  all of the above
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The dimension of elastic modulus is ___________________ ?

  • (A)  ML-1T-2
  • (B)  ML-2T-2
  • (C)  MLT-2
  • (D)  ML2T-2
Submitted By :Ali Uppal